/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ranger.plugin.policyengine;

import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class RangerAccessRequestReadOnly implements RangerAccessRequest {
    private final RangerAccessRequest source;

    // Cached here for reducing access overhead
    private final RangerAccessResource resource;
    private final Set<String>          userGroups;
    private final Set<String>          userRoles;
    private final List<String>         forwardedAddresses;
    private final Map<String, Object>  context;

    RangerAccessRequestReadOnly(final RangerAccessRequest source) {
        this.source             = source;
        this.resource           = source.getResource().getReadOnlyCopy();
        this.userGroups         = Collections.unmodifiableSet(source.getUserGroups());
        this.userRoles          = Collections.unmodifiableSet(source.getUserRoles());
        this.context            = Collections.unmodifiableMap(source.getContext());
        this.forwardedAddresses = Collections.unmodifiableList(source.getForwardedAddresses());
    }

    @Override
    public RangerAccessResource getResource() {
        return resource;
    }

    @Override
    public String getAccessType() {
        return source.getAccessType();
    }

    @Override
    public boolean isAccessTypeAny() {
        return source.isAccessTypeAny();
    }

    @Override
    public boolean ignoreDescendantDeny() {
        return source.ignoreDescendantDeny();
    }

    @Override
    public boolean isAccessTypeDelegatedAdmin() {
        return source.isAccessTypeDelegatedAdmin();
    }

    @Override
    public String getUser() {
        return source.getUser();
    }

    @Override
    public Set<String> getUserGroups() {
        return userGroups;
    }

    @Override
    public Set<String> getUserRoles() {
        return userRoles;
    }

    @Override
    public Date getAccessTime() {
        return source.getAccessTime();
    }

    @Override
    public String getClientIPAddress() {
        return source.getClientIPAddress();
    }

    @Override
    public String getRemoteIPAddress() {
        return source.getRemoteIPAddress();
    }

    @Override
    public List<String> getForwardedAddresses() {
        return forwardedAddresses;
    }

    @Override
    public String getClientType() {
        return source.getClientType();
    }

    @Override
    public String getAction() {
        return source.getAction();
    }

    @Override
    public String getRequestData() {
        return source.getRequestData();
    }

    @Override
    public String getSessionId() {
        return source.getSessionId();
    }

    @Override
    public String getClusterName() {
        return source.getClusterName();
    }

    @Override
    public String getClusterType() {
        return source.getClusterType();
    }

    @Override
    public Map<String, Object> getContext() {
        return context;
    }

    @Override
    public RangerAccessRequest getReadOnlyCopy() {
        return this;
    }

    @Override
    public ResourceMatchingScope getResourceMatchingScope() {
        return source.getResourceMatchingScope();
    }

    @Override
    public Map<String, ResourceElementMatchingScope> getResourceElementMatchingScopes() {
        return source.getResourceElementMatchingScopes();
    }
}
